public static ILocalSymbol FirstValidSymbolOccuranceOfVariable(SemanticModel model, CSharpSyntaxNode context, string identifier)
{
var outerForLoop = context.FirstAncestorOrSelf <ForStatementSyntax>();
var outerCatchClause = context.FirstAncestorOrSelf <CatchClauseSyntax>();
var foreachLoop = context.FirstAncestorOrSelf <ForEachStatementSyntax>();
var usings = context.FirstAncestorOrSelf <UsingStatementSyntax>();
if (outerForLoop != null && outerForLoop.Declaration.Variables.Any(x => x.Identifier.ToString() == identifier))
{
context = outerForLoop;
}
else if (outerCatchClause != null && outerCatchClause.Declaration.Identifier.ToString() == identifier)
{
context = outerCatchClause;
}
else if (foreachLoop != null && foreachLoop.Identifier.ToString() == identifier)
{
context = foreachLoop;
}
else if (usings.Declaration.Variables.Any(x => x.Identifier.ToString() == identifier))
{
context = usings;
}
else
{
context = context.FirstAncestorOrSelf <BlockSyntax>();
}
var walker = new VariableUsageFinder(model, context, identifier);
context.Accept(walker);
return((ILocalSymbol)walker.symbols.FirstOrDefault());
}
public static ILocalSymbol FirstValidSymbolOccuranceOfVariable(SemanticModel model, CSharpSyntaxNode context, string identifier)
{
var outerForLoop = context.FirstAncestorOrSelf<ForStatementSyntax>();
var outerCatchClause = context.FirstAncestorOrSelf<CatchClauseSyntax>();
var foreachLoop = context.FirstAncestorOrSelf<ForEachStatementSyntax>();
var usings = context.FirstAncestorOrSelf<UsingStatementSyntax>();
if (outerForLoop != null && outerForLoop.Declaration.Variables.Any(x => x.Identifier.ToString() == identifier))
context = outerForLoop;
else if (outerCatchClause != null && outerCatchClause.Declaration.Identifier.ToString() == identifier)
context = outerCatchClause;
else if (foreachLoop != null && foreachLoop.Identifier.ToString() == identifier)
context = foreachLoop;
else if (usings.Declaration.Variables.Any(x => x.Identifier.ToString() == identifier))
context = usings;
else
context = context.FirstAncestorOrSelf<BlockSyntax>();
var walker = new VariableUsageFinder(model, context, identifier);
context.Accept(walker);
return (ILocalSymbol)walker.symbols.FirstOrDefault();
}
